12201232213212 has 48 divisors (see below), whose sum is σ = 32538115464960. Its totient is φ = 3485906036352.

The previous prime is 12201232213199. The next prime is 12201232213229. The reversal of 12201232213212 is 21231223210221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1496262 + ... + 5161517.

It is an arithmetic number, because the mean of its divisors is an integer number (677877405520).

Almost surely, 2^{12201232213212} is an apocalyptic number.

12201232213212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201232213212 is an abundant number, since it is smaller than the sum of its proper divisors (20336883251748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201232213212 is a wasteful number, since it uses less digits than its factorization.

12201232213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679610 (or 6679608 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12201232213212 its reverse (21231223210221), we get a palindrome (33432455423433).

The spelling of 12201232213212 in words is "twelve trillion, two hundred one billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred twelve".